// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).

 // All rights reserved.

 // This component and the accompanying materials are made available

 // under the terms of "Eclipse Public License v1.0"

 // which accompanies this distribution, and is available

 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

 //

 // Initial Contributors:

 // Nokia Corporation - initial contribution.

 //

 // Contributors:

 //

 // Description:

 //

 #ifndef __WSMEMMGR_H__

 #define __WSMEMMGR_H__

 #include <e32base.h>

 class CWsMemoryManager: public CBase, private RAllocator

 	{

 public:

 	static CWsMemoryManager * NewLC();

 	~CWsMemoryManager();

 	void EnableReserve();

 	void DisableReserve();

 public:	

 	static CWsMemoryManager * Static();

 	TInt Count() const;

 	void SetFailNextRetry();

 private:

 	CWsMemoryManager();

 	void ConstructL();

 	// implementing RAllocator

 	TAny* Alloc(TInt aSize);

 	void Free(TAny* aPtr);

 	TAny* ReAlloc(TAny* aPtr, TInt aSize, TInt aMode);

 	TInt AllocLen(const TAny* aCell) const;

 	TInt Compress();

 	void Reset();

 	TInt AllocSize(TInt& aTotalAllocSize) const;

 	TInt Available(TInt& aBiggestBlock) const;

 	TInt DebugFunction(TInt aFunc, TAny* a1, TAny* a2);

 private:

 	static CWsMemoryManager * iStatic;

 private:

 	RAllocator* iImpl;

 	TBool iReleasing;

 	TBool iReserveEnabled;

 	TInt iReserveSize;

 	TAny* iReserve;

 	TBool iFailNextRetry;

   	TTime iCurrentBurstStart;

 	TInt iCurrentBurstReleaseCount;

 	};

 #endif //__WSMEMMGR_H__